Optical sheet, method for manufacturing the same, light emitting diodes module and display using the same

Abstract

An optical sheet is disclosed in the present invention and comprises a substrate, a reflective layer and a plurality of pixels. The reflective layer is disposed on the substrate. The pixels are composed of several quantum dot fluorescent powders respectively and arrayed on the reflective layer. In addition, a method for manufacturing the above optical sheet, a light emitting diodes module and a display using the above optical sheet are also disclosed in the present invention.

What is claimed is: 
     
       1. A manufacturing method for an optical sheet, comprising the following steps:
 forming a reflective layer on a substrate; and 
 forming a plurality of pixels on the reflective layer, wherein the plurality of pixels are composed of a plurality of quantum dot fluorescent powders and arrayed on the reflective layer, 
 coating a first quantum dot fluorescent powder layer on the reflective layer; 
 patterning the first quantum dot fluorescent powder layer to form a first pixel; 
 coating a second quantum dot fluorescent powder layer to cover the reflective layer and the first pixel; 
 patterning the second quantum dot fluorescent powder layer to form a second pixel; 
 coating a third quantum dot fluorescent powder layer to cover the reflective layer, the first pixel and the second pixel; and 
 patterning the third quantum dot fluorescent powder layer to form a third pixel.